function occurence (str){ let obj = {} let arr= str.split(' ') for (let i=0;i<arr.length;i++){ if(!obj[arr[i]]){ obj[arr[i]]=1; } else{ obj[arr[i]]=obj[arr[i]]+1; } } return obj; } const value=occurence('Globant is good company and Globant is'); console.log(value);